Zanii proof

Receipt sha256:7d6faaf5275c0bf00b6f00f8577d6c7c4d5a014c3931c82e8d799132151c02f2: leaf #23251

Verification PROVEN

✔Receipt signature, delegation chain, and scope - signed by did:key:z6MkpZ6xNQ9eiJT4…

✔Delegation not revoked

✔Merkle inclusion proof against current tree root

✔Signed tree head signature - log did:key:z6Mkt3UL3dCEigCh…

Anchoring

✔Covered by anchor at tree size 104844 - evm:6e1b0ec9a4b1b6fa29fb6ce24461faee342f8b18e2c1796e0baa078802f183a2 (block 52889351)

Receipt

{
  "v": 1,
  "ts": "2026-09-28T03:09:50.399Z",
  "sig": "ed25519:f937a00a849dc5da0d1834f6dfd82bc9c61490d9c796b804838b7191d1b60c846662036f2408cfcb5943b743c25d97642240848ef4ab1ffba358425a5b4e6600",
  "prev": "sha256:6509b5a47e993b1df992ac9a9940a7fe14527e0e42eaa05dc2dbb3a19b08a081",
  "action": "tool_call",
  "target": "ads.analyze.weekly",
  "agent_id": "did:key:z6MkpZ6xNQ9eiJT4nfyJLJR7nqfY27iu2krZScLq97ToeNPJ",
  "model_id": "qwen3.8-27b",
  "delegation": [
    {
      "v": 1,
      "exp": "2027-07-06T22:09:58Z",
      "sig": "ed25519:1bb79edc5d42e9f08ad1d97369ae2fe97b4916b46b4431ebbdd67011e54e9e4fda08815932a8594e7f0d19a7ee14d46815531030e531d6c7ac52f19025216401",
      "issuer": "did:key:z6MksQZm73wT4p97GUjdKC4SJxgsm8dzizoLCBE8U2QRRZBb",
      "scopes": [
        "ads.analyze.*"
      ],
      "subject": "did:key:z6MkpZ6xNQ9eiJT4nfyJLJR7nqfY27iu2krZScLq97ToeNPJ"
    }
  ],
  "subject_tag": "sha256:925e4438b0f5504f7cff39582adbbe41492f2bb32c3a0b86fca7630878ac2030",
  "payload_hash": "sha256:d34cb10f4c1cc6f4427121f9d61197abc8bab80f16df67124b103e7f185efa3b"
}

Inclusion proof

{
  "index": 23251,
  "tree_size": 104845,
  "path": [
    "74beb8f21679f10b47b8960d7393c8a345c2862b4628d05ee94eed769bd28fe9",
    "09603cbffac815bcbad2fa729d3d8399ea975db6b067b6cb99c0765cc32aa021",
    "416d7d66c519fb35905cbc1b46ffc5f512c886d75edaf506be8054f5967b35fb",
    "efafdec102438ec58bc6944b7c54933374c37222082945cc804a8986002c8336",
    "0de5a9ce11d2b7574018a7c2620d1ecea6d5cf5fece162f5f0ae742f39450186",
    "b43aea56b40b2b1ced2d103c459f2ae73f72716e3affe4f6c8e9eef05f1fde6f",
    "569deef2bb2214e0010886fec65208f983a02ec25691c7e62445b53ffefe6952",
    "fbbd43e2c317c173b66a4c2eaabdace5d15863754d4135881678153f8e9144ce",
    "08cd57490f2c496ebbae92e74f0a86d74cf16feb845dd13183c42230d7d657f6",
    "46c24ac4efd77c8112efac1447affd90f0f96a4cf3f9b21b31171b1bca98eb99",
    "cc100a9a8cfd2c54d2f846becdb73b77218dc4b4aa2cd87da8841601b2b2eac4",
    "a5d98a18789a2e5c9bd86ba0f96dbc443fbb22b3725871376bdd38f43af4919a",
    "c4027fc6102993553d6ac5041a9d4c0b20ba786bb24150b3f406f499a8070bc3",
    "ef696e1150e8ccfa38bfb885032500f8ef2b780c99f0d9c84ee431d7bdcd42b5",
    "387fe46d3a9c7e345626d5961018c5dbe97f19c7ea00d9e2e0faa6ca09697fed",
    "5a4632f32becd822f53f3cc14a9488aa3faaed59d147c16b975350731a61aab6",
    "b37bb3dc292552df8eb37d966c8c1164e0d17412282c05694eb6cc4c3dbffcb4"
  ]
}

Signed tree head

{
  "v": 1,
  "log_id": "did:key:z6Mkt3UL3dCEigChGEJKSdhSra7JRoG2z1GLtbrLCKnL5GX2",
  "size": 104845,
  "root": "sha256:e25416d870684c26bfdf8f51a38a1657ac6b5e7548fb3e6e97867e167027b6d6",
  "ts": "2026-10-21T07:48:13.559Z",
  "sig": "ed25519:ca28860116ec7a0ff3cdd35bce3178dfc595a2993a7386b93358f5bb88218bce57f431ed1f687d0d1c36799bc3e32755e1e536288b43121cddca97360b695608"
}

Verify independently

curl {this host}/v1/proof/sha256:7d6faaf5275c0bf00b6f00f8577d6c7c4d5a014c3931c82e8d799132151c02f2

Anyone can re-verify with the zanii SDK (Python or TypeScript): receipt signature → delegation chain → scope → Merkle inclusion → STH signature. No trust in this server required.

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